| Oklahoma City to Ickenham | 4,622.99 mi (7,439.98 km) |
| Oklahoma City to Ifield | 4,646.53 mi (7,477.87 km) |
| Oklahoma City to Ilford | 4,643.14 mi (7,472.41 km) |
| Oklahoma City to Ilfracombe | 4,493.54 mi (7,231.65 km) |
| Oklahoma City to Ilkeston | 4,545.07 mi (7,314.58 km) |
| Oklahoma City to Ilkley | 4,496.31 mi (7,236.11 km) |
| Oklahoma City to Immingham | 4,564.37 mi (7,345.64 km) |
| Oklahoma City to Ince-in-Makerfield | 4,479.74 mi (7,209.44 km) |
| Oklahoma City to Inverness | 4,307.70 mi (6,932.57 km) |
| Oklahoma City to Inverurie | 4,376.00 mi (7,042.49 km) |
| Oklahoma City to Ipswich | 4,666.17 mi (7,509.48 km) |
| Oklahoma City to Irlam | 4,489.18 mi (7,224.63 km) |
| Oklahoma City to Irthlingborough | 4,591.67 mi (7,389.58 km) |
| Oklahoma City to Irvine | 4,343.96 mi (6,990.93 km) |
| Oklahoma City to Islington | 4,636.49 mi (7,461.71 km) |
